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overlayfs: add --storage-driver doc

Signed-off-by: Vincent Batts <vbatts@redhat.com>
Vincent Batts 10 years ago
parent
commit
cb57c38848
1 changed files with 4 additions and 1 deletions
  1. 4 1
      docs/sources/reference/commandline/cli.md

+ 4 - 1
docs/sources/reference/commandline/cli.md

@@ -156,7 +156,7 @@ string is equivalent to setting the `--tlsverify` flag. The following are equiva
 ### Daemon storage-driver option
 
 The Docker daemon has support for three different image layer storage drivers: `aufs`,
-`devicemapper`, and `btrfs`.
+`devicemapper`, `btrfs` and `overlayfs`.
 
 The `aufs` driver is the oldest, but is based on a Linux kernel patch-set that
 is unlikely to be merged into the main kernel. These are also known to cause some
@@ -175,6 +175,9 @@ To tell the Docker daemon to use `devicemapper`, use
 The `btrfs` driver is very fast for `docker build` - but like `devicemapper` does not
 share executable memory between devices. Use `docker -d -s btrfs -g /mnt/btrfs_partition`.
 
+The `overlayfs` is a very fast union filesystem. It is now merged in the main
+Linux kernel as of [3.18.0](https://lkml.org/lkml/2014/10/26/137).
+Call `docker -d -s overlayfs` to use it.
 
 ### Docker exec-driver option